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-rw-r--r--Tests/CMakeTests/CMakeLists.txt1
-rw-r--r--Tests/CMakeTests/GetFilenameComponentRealpathTest.cmake.in57
2 files changed, 58 insertions, 0 deletions
diff --git a/Tests/CMakeTests/CMakeLists.txt b/Tests/CMakeTests/CMakeLists.txt
index 9f91abc..9e3c3e7 100644
--- a/Tests/CMakeTests/CMakeLists.txt
+++ b/Tests/CMakeTests/CMakeLists.txt
@@ -14,6 +14,7 @@ AddCMakeTest(VariableWatch "")
AddCMakeTest(Include "")
AddCMakeTest(FindBase "")
AddCMakeTest(Toolchain "")
+AddCMakeTest(GetFilenameComponentRealpath "")
SET(GetPrerequisites_PreArgs
"-DCTEST_CONFIGURATION_TYPE:STRING=\\\${CTEST_CONFIGURATION_TYPE}"
diff --git a/Tests/CMakeTests/GetFilenameComponentRealpathTest.cmake.in b/Tests/CMakeTests/GetFilenameComponentRealpathTest.cmake.in
new file mode 100644
index 0000000..c795512
--- /dev/null
+++ b/Tests/CMakeTests/GetFilenameComponentRealpathTest.cmake.in
@@ -0,0 +1,57 @@
+set(bindir ${CMAKE_CURRENT_BINARY_DIR})
+
+#
+# Test nonexistent REALPATH & ABSOLUTE resolution
+#
+get_filename_component(nonexistent1 ${bindir}/THIS_IS_A_NONEXISTENT_FILE REALPATH)
+get_filename_component(nonexistent2 ${bindir}/THIS_IS_A_NONEXISTENT_FILE ABSOLUTE)
+if(NOT nonexistent1 STREQUAL "${bindir}/THIS_IS_A_NONEXISTENT_FILE")
+ message(FATAL_ERROR "REALPATH is not preserving nonexistent files")
+endif()
+if(NOT nonexistent2 STREQUAL "${bindir}/THIS_IS_A_NONEXISTENT_FILE")
+ message(FATAL_ERROR "ABSOLUTE is not preserving nonexistent files")
+endif()
+
+#
+# Test symbolic link resolution
+#
+if(UNIX)
+ # file1 => file2 => file3 (real)
+ file(WRITE ${bindir}/file3 "test file")
+
+ find_program(LN NAMES "ln")
+ if(LN)
+ # Create symlinks using "ln -s"
+ if(NOT EXISTS ${bindir}/file2)
+ execute_process(COMMAND ${LN} "-s" "${bindir}/file3" "${bindir}/file2")
+ endif()
+ if(NOT EXISTS ${bindir}/file1)
+ execute_process(COMMAND ${LN} "-s" "${bindir}/file2" "${bindir}/file1")
+ endif()
+
+ get_filename_component(file1 ${bindir}/file1 REALPATH)
+ get_filename_component(file2 ${bindir}/file2 REALPATH)
+ get_filename_component(file3 ${bindir}/file3 REALPATH)
+
+ if(NOT file3 STREQUAL "${bindir}/file3")
+ message(FATAL_ERROR "CMake fails resolving REALPATH file file3")
+ endif()
+
+ if(NOT file2 STREQUAL "${bindir}/file3")
+ message(FATAL_ERROR "CMake fails resolving simple symlink")
+ endif()
+
+ if(NOT file1 STREQUAL "${bindir}/file3")
+ message(FATAL_ERROR "CMake fails resolving double symlink")
+ endif()
+
+ # cleanup
+ file(REMOVE ${bindir}/file1)
+ file(REMOVE ${bindir}/file2)
+ if(EXISTS file1 OR EXISTS file2)
+ message(FATAL_ERROR "removal of file1 or file2 failed")
+ endif()
+ endif(LN)
+
+ file(REMOVE ${bindir}/file3)
+endif()